كتاب أحوال القيامة وبدء الخلق
28  
Events of the Day of Resurrection and the Beginning of Creation
(2a)
Chapter: The Assembling - Section 1
(2)
باب الحشر- الفصل الأول
Mishkat al-Masabih 5542
He told that he heard God's messenger say, "Our Lord will uncover His leg[*] and every believing man and woman will fall in prostration before Him. Those who prostrated themselves in the world from hypocrisy and show will remain, but when they proceed to prostrate themselves, their backs will become a single piece." *Cf. Quran, 48:42. The reference is either to the beginning of terrors, or to the end of all mystery. (Bukhari and Muslim.)
وَعَنْهُ قَالَ: سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ: «يَكْشِفُ رَبُّنَا عَنْ سَاقِهِ فَيَسْجُدُ لَهُ كُلُّ مُؤْمِنٍ وَمُؤْمِنَةٍ وَيَبْقَى مَنْ كَانَ يَسْجُدُ فِي الدُّنْيَا رِيَاءً وَسُمْعَةً فَيَذْهَبُ لِيَسْجُدَ فَيَعُودُ ظَهْرُهُ طَبَقًا وَاحِدًا» . مُتَّفق عَلَيْهِ
  مُتَّفَقٌ عَلَيْهِ   (الألباني) حكم   :
Reference : Mishkat al-Masabih 5542
In-book reference : Book 28, Hadith 22